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What to plant in September in Zone 9b

In September, Zone 9b gardeners can sow for fall harvest — 8 crops have a planting task this month.

Zone 9b frost: last ~02/02, first ~12/08. Dates computed from these and cited extension rules. For your exact town, use the ZIP tool.

Sow for fall harvest

BroccoliSow for fall harvestCauliflowerSow for fall harvestKaleSow for fall harvestLettuceSow for fall harvestSwiss ChardSow for fall harvestTurnipsSow for fall harvestBeetsSow for fall harvestPeasSow for fall harvest

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Last verified 2026-07-16. Frost: NOAA NCEI 1991–2020. Zone: USDA 2023. Rules: UNH Extension, Johnny's, UGA Extension.